snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

server/channels/jobs/delete_expired_posts/scheduler.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package delete_expired_posts
+
+import (
+	"time"
+
+	"github.com/mattermost/mattermost/server/public/model"
+	"github.com/mattermost/mattermost/server/v8/channels/jobs"
+)
+
+func MakeScheduler(jobServer *jobs.JobServer) *jobs.PeriodicScheduler {
+	isEnabled := func(cfg *model.Config) bool {
+		featureFlagEnabled := cfg.FeatureFlags.BurnOnRead
+		serviceSettingEnabled := model.SafeDereference(cfg.ServiceSettings.EnableBurnOnRead)
+
+		return featureFlagEnabled && serviceSettingEnabled
+	}
+
+	schedFreq := time.Duration(model.SafeDereference(jobServer.Config().ServiceSettings.BurnOnReadSchedulerFrequencySeconds)) * time.Second
+	return jobs.NewPeriodicScheduler(jobServer, model.JobTypeDeleteExpiredPosts, schedFreq, isEnabled)
+}

server/channels/jobs/delete_expired_posts/worker.go

@@ -0,0 +1,80 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package delete_expired_posts
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/mattermost/mattermost/server/public/model"
+	"github.com/mattermost/mattermost/server/public/shared/mlog"
+	"github.com/mattermost/mattermost/server/public/shared/request"
+	"github.com/mattermost/mattermost/server/v8/channels/jobs"
+	"github.com/mattermost/mattermost/server/v8/channels/store"
+)
+
+const (
+	expiredPostsBatchSize        = 100
+	expiredPostsJobBatchWaitTime = 100 * time.Millisecond
+)
+
+type AppIface interface {
+	DeletePost(rctx request.CTX, postID, deleteByID string) (*model.Post, *model.AppError)
+	PermanentDeletePostDataRetainStub(rctx request.CTX, post *model.Post, deleteByID string) (*model.PostDeletionReport, *model.AppError)
+	GetSinglePost(rctx request.CTX, postID string, includeDeleted bool) (*model.Post, *model.AppError)
+	GetPostsByIds(postIDs []string) ([]*model.Post, int64, *model.AppError)
+}
+
+func MakeWorker(jobServer *jobs.JobServer, store store.Store, app AppIface) *jobs.SimpleWorker {
+	const workerName = "DeleteExpiredPosts"
+
+	isEnabled := func(cfg *model.Config) bool {
+		return model.SafeDereference(cfg.ServiceSettings.EnableBurnOnRead)
+	}
+	execute := func(logger mlog.LoggerIFace, job *model.Job) error {
+		if job.Data == nil {
+			job.Data = make(model.StringMap)
+		}
+
+		deletedPostIDs := make([]string, 0)
+		lastPostId := ""
+		for {
+			time.Sleep(expiredPostsJobBatchWaitTime)
+			postIDs, err := store.TemporaryPost().GetExpiredPosts(request.EmptyContext(logger), lastPostId, expiredPostsBatchSize)
+			if err != nil {
+				return err
+			}
+
+			if len(postIDs) == 0 {
+				break
+			}
+
+			lastPostId = postIDs[len(postIDs)-1]
+
+			expiredPosts, _, appErr := app.GetPostsByIds(postIDs)
+			if appErr != nil {
+				logger.Error("Failed to get expired posts by IDs", mlog.Err(appErr))
+				return appErr
+			}
+
+			for _, post := range expiredPosts {
+				_, appErr = app.PermanentDeletePostDataRetainStub(request.EmptyContext(logger), post, "")
+				if appErr != nil {
+					logger.Error("Failed to delete expired post", mlog.Err(appErr), mlog.String("post_id", post.Id))
+					continue
+				}
+				deletedPostIDs = append(deletedPostIDs, post.Id)
+			}
+		}
+
+		deletedPostIDsJSON, err := json.Marshal(deletedPostIDs)
+		if err != nil {
+			logger.Error("Failed to marshal deleted post IDs", mlog.Err(err))
+			return err
+		}
+		job.Data["deleted_post_ids"] = string(deletedPostIDsJSON)
+		return nil
+	}
+	return jobs.NewSimpleWorker(workerName, jobServer, execute, isEnabled)
+}